package com.itheima.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggie.common.R;
import com.itheima.reggie.dto.SetmealDto;
import com.itheima.reggie.entity.Category;
import com.itheima.reggie.entity.Setmeal;
import com.itheima.reggie.entity.SetmealDish;
import com.itheima.reggie.service.CategoryService;
import com.itheima.reggie.service.SetmealDishService;
import com.itheima.reggie.service.SetmealService;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.ArrayList;
import java.util.List;

@Slf4j
@RestController
@RequestMapping("/setmeal")
public class SetmealController {

    @Autowired
    private SetmealService setmealService;

    @Autowired
    private CategoryService categoryService;

    @Autowired
    private SetmealDishService setmealDishService;

    //新增套餐
    @PostMapping
    public R<String> saveSetmea(@RequestBody SetmealDto setmealDto){

        setmealService.addSetmeal(setmealDto);

        return R.success("新增成功");
    }

    //分页查询
    @GetMapping("/page")
    public R<Page> pageR(Integer page ,Integer pageSize,String name){
        Page<Setmeal> pageInfo = new Page<>(page,pageSize);
        Page<Object> dtoPage = new Page<>();

        LambdaQueryWrapper<Setmeal> lqw = new LambdaQueryWrapper<>();
        lqw.like(StringUtils.isNotEmpty(name),Setmeal::getName,name);
        lqw.orderByDesc(Setmeal::getUpdateTime);
        setmealService.page(pageInfo,lqw);

        BeanUtils.copyProperties(pageInfo,dtoPage,"records");
        List<Setmeal> records = pageInfo.getRecords();
       List<Object>  setmealDtos = new ArrayList<>();

       for (Setmeal setmeal : records) {
//            Long categoryId = setmeal.getCategoryId();
//            Setmeal setmeal1 = setmealService.getById(categoryId);
//            String setmeal1Name = setmeal.getName();
//            SetmealDto setmealDto = new SetmealDto();
//            setmealDto.setCategoryName(setmeal1Name);
//            BeanUtils.copyProperties(setmeal,setmealDto);
//            setmealDtos.add(setmealDto);
           SetmealDto setmealDto = new SetmealDto();
           //对象拷贝
           BeanUtils.copyProperties(setmeal,setmealDto);
           //分类id
           Long categoryId = setmeal.getCategoryId();
           //根据分类id查询分类对象
           Category category = categoryService.getById(categoryId);
           if(category != null) {
               //分类名称
               String categoryName = category.getName();
               setmealDto.setCategoryName(categoryName);
           }
           setmealDtos.add(setmealDto);
       }

        dtoPage.setRecords(setmealDtos);



        return R.success(dtoPage);

/*        //分页构造器对象
        Page<Setmeal> pageInfo = new Page<>(page,pageSize);
        Page<SetmealDto> dtoPage = new Page<>();

        LambdaQueryWrapper<Setmeal> queryWrapper = new LambdaQueryWrapper<>();
        //添加查询条件，根据name进行like模糊查询
        queryWrapper.like(name != null,Setmeal::getName,name);
        //添加排序条件，根据更新时间降序排列
        queryWrapper.orderByDesc(Setmeal::getUpdateTime);

        setmealService.page(pageInfo,queryWrapper);

        //对象拷贝
        BeanUtils.copyProperties(pageInfo,dtoPage,"records");
        List<Setmeal> records = pageInfo.getRecords();

        List<SetmealDto> list = records.stream().map((item) -> {
            SetmealDto setmealDto = new SetmealDto();
            //对象拷贝
            BeanUtils.copyProperties(item,setmealDto);
            //分类id
            Long categoryId = item.getCategoryId();
            //根据分类id查询分类对象
            Category category = categoryService.getById(categoryId);
            if(category != null){
                //分类名称
                String categoryName = category.getName();
                setmealDto.setCategoryName(categoryName);
            }
            return setmealDto;
        }).collect(Collectors.toList());

        dtoPage.setRecords(list);
        return R.success(dtoPage);*/
    }

    //删除
    @DeleteMapping
    public R<String> deleteByIds(@RequestParam  List<Long> ids){

        setmealService.removeWithDish(ids);
        //setmealService.removeByIds(ids);
        return R.success("删除成功");
    }

    //修改状态
    @PostMapping("/status/{status}")
    public R<String> updateStatus(@PathVariable Integer status,
                                  @RequestParam List<Long> ids){
        LambdaUpdateWrapper<Setmeal> luw = new LambdaUpdateWrapper<>();
        luw.set(Setmeal::getStatus,status);
        luw.in(Setmeal::getId,ids);
        setmealService.update(luw);

        return R.success("操作成功");
    }

    //根据id查询，用于修改回显
    @GetMapping("/{id}")
    public R<SetmealDto> setmealDtoR(@PathVariable Long id){
        SetmealDto setmealDto = new SetmealDto();
        Setmeal setmeal = setmealService.getById(id);
        Category byId = categoryService.getById(setmeal.getCategoryId());
        if(byId!=null){
            setmealDto.setCategoryName(byId.getName());
        }
        LambdaQueryWrapper<SetmealDish> lqw = new LambdaQueryWrapper<>();
        lqw.eq(SetmealDish::getSetmealId,id);
        List<SetmealDish> list = setmealDishService.list(lqw);
        setmealDto.setSetmealDishes(list);
        BeanUtils.copyProperties(setmeal,setmealDto);
        return R.success(setmealDto);
    }

    //修改套餐
    @PutMapping
    public R<String> update(@RequestBody SetmealDto setmealDto){
        setmealService.updateSetmeal(setmealDto);
        return R.success("修改成功");
    }

    //根据套餐分类id查询该套餐分类下的套餐
    @GetMapping("/list")
    public R<List<Setmeal>> selectsetmeallist(Long categoryId ,Integer status){
        LambdaQueryWrapper<Setmeal> lqw = new LambdaQueryWrapper<>();
        lqw.eq(Setmeal::getCategoryId,categoryId);
        lqw.eq(Setmeal::getStatus,status);
        List<Setmeal> list = setmealService.list(lqw);
        return R.success(list);
    }
}
